Figure 2From: New threats to health data privacyPopulation under k-l-anonymity. This example measures the distinguishness of the population under k-l-anonymity, using the first name as the identifier. The histogram plots the number of individuals whose first names differ with other (k-1) records for l letters. It shows within 24,399 records, most of them (more than 70% as shown in the first bar with k=1) are quite distinguishable.Back to article page